#191B61#191B61

#191B61 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.5% C 0.121 H 273.9°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#191B61
RGB	rgb(25, 27, 97)
HSL	hsl(238, 59%, 24%)
HSV	hsv(238, 74%, 38%)
CMYK	cmyk(74.2%, 72.2%, 0%, 62%)
CIE-LAB	lab(14.70, 24.81, -41.64)
CIE-LCH	lch(14.70, 48.47, 300.79°)
OKLab	oklab(27.49% 0.0082 -0.1203)
OKLCH	oklch(27.49% 0.121 273.9)
XYZ	xyz(2.9498, 1.8533, 11.5092)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B61 #615F19

analogous

#193F61 #191B61 #3B1961

triadic

#191B61 #61191B #1B6119

tetradic

#191B61 #61193F #615F19 #19613B

square

#191B61 #61193F #615F19 #19613B

split-complementary

#191B61 #613B19 #3F6119

monochromatic

#060718 #0C0D30 #191B61 #262992 #3236C2

Accessibility & contrast

On white

15.32

#191B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#191B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B61

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B61	#FFFFFF	#000000	##FFFFFF
##191B61	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002863

Deuteranopia (green-blind)

#002260

Tritanopia (blue-blind)

#002E3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191b61;
/* rgb */ color: rgb(25, 27, 97);
/* oklch */ color: oklch(27.5% 0.121 273.9);

Tailwind

colors: {
  custom: {
    50: '#62578f',
    500: '#191b61',
    950: '#000000',
  },
}

SCSS

$custom: #191b61;
$custom-light: #62578f;
$custom-dark: #000000;

JSON

{
  "hex": "#191b61",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 238.333,
    "s": 59.016,
    "l": 23.922
  },
  "oklch": {
    "l": 0.2749,
    "c": 0.12059,
    "h": 273.9
  },
  "luminance": 0.01854
}

Semantic roles & 50–950 ramp

primary

#191B61

secondary

#97953F

accent

#DE46E2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #191B61

Body copy rendered with the generated semantic roles for this colour.

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